package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result insertDish(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.insertDish(dishDTO);

        String key = "dish" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    /**
     * 菜品分页查询-多表查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> pageSelect(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageSelect(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    // @RequestParam注解的作用：利用Spring MVC框架将 url中传进来的字符串封装到List集合中
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除：{}",ids);
        dishService.delete(ids);

        cleanCache("dish*");

        return Result.success();
    }

    /**
     * 修改菜品状态
     * @param status
     * @param id
     * @return
     */
    @PostMapping("status/{status}")
    @ApiOperation("修改菜品状态")
    public Result updateStatus(@PathVariable Integer status,Long id){
        log.info("修改菜品状态：{},{}",status,id);
        dishService.updateStatus(status,id);

        cleanCache("dish*");

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id回显信息")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("回显的信息id：{}",id);
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品信息")
    public Result updateDishMessage(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息：{}",dishDTO);
        dishService.updateDishMessage(dishDTO);

        cleanCache("dish*");

        return Result.success();
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
